20215949 is an odd 8-digits composite number following 20215948
and preceding 20215950 . In scientific notation, it is written as 2.0215949 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors.
There are 17521920 positive integers (up to 20215949) that are relatively prime to 20215949.
20215949 has 24 divisors, whose sum is 23281992
The reverse of 20215949 is 94951202
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million two hundred fifteen thousand nine hundred forty-nine
Scientific notation
2.0215949 × 10^7
Engineering notation
2.0215949 × 10^6
Prime Factorization
61 × 13 × 13 × 53 × 37
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1555073
Product of the distinct prime numbers
The prime factorization of 20215949 is 61 × 13 × 13 × 53 × 37.
Since it has a total of 5 prime factors.
6 , 8 , 21 , 7 , 676 , 105 , 9203 , 17 , 40452 , 4758 , 861629 , 402808 , 343942 , 3127451 , 15787267 , 53872708 , 210791911 , 715471848 , 9204395600 , 5919381418
n×2
40431898
n×3
60647847
n×4
80863796
n×5
101079745
n÷2
10107974.5
n÷3
6738649.6666667
n÷3
5053987.25
n÷5
4043189.8
n2
408684593970601
n3
8.2619469087954E+21
n4
1.6702309734891E+29
n5
3.3765304178277E+36
2 √n
4496.2149637223
3 √n
272.41522599349
4 √n
67.053821395371
5 √n
28.916040653626
1 , 13 , 37 , 53 , 61 , 169 , 481 , 689 , 793 , 1961 , 2257 , 3233 , 6253 , 8957 , 10309 , 25493 , 29341 , 42029 , 119621 , 331409 , 381433 , 546377 , 1555073 , 20215949
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20215948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20215949 can be divided by 24 positive divisors.
The sum of these divisors (counting 20215949) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000111100010001101
3
Ternary
1102001002001212
4
Quaternary
1031013202031
5
Quinary
20133402244
6
Senary
2001144205
8
Octal
115074215
10
Decimal
20215949
12
Duodecimal
692b065
16
Hexadecimal
134788d
20
Vigesimal
666jh9
36
Base36
c1aq5
md5
05509d3d85d9bed6f8c1a7948981f92c
sha1
8f4154336965881a214a66a0383ef527fc0f40bd
sha256
2e7cd2eb1f25fffd21e22f93a236b9a090c6c54fa081b44b01c5b6f4a4db8fa2
sha512
2b7ba5bc4a4feb410583388a1cb71828332c70740663127d48c32d5d19f69106b04ae1884ddcb3da547dd83332d2d2bd0fb375d8bd295b905dea08129ebfcb69
ripemd-160
6260c1f43fa77c03031c63186dec1b71f79a74da
Diameter
40431898
Circumference
127020553.72749
Area
1.2839205180534E+15
Volume
3.4607562284027E+22
Surface area
5.1356820722135E+15
Circumference
127020553.72749
Perimeter
80863796
Area
408684593970601
Diagonal
28589669.252043
Surface area
2452107563823606
Volume
8.2619469087954E+21
Space diagonal
35015050.791221
Perimeter
60647847
Area
1.7696562025693E+14
Altitude
17507525.395611
Surface area
1.7696562025693E+14
Volume
9.7367978083541E+20
Height
9529889.7506809